KitHelix™ N scale, 2 track, 19.5"/2.80%, 21.5"/2.54%, 5 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 19.5"/2.80%, 21.5"/2.54%, 5 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 7 16" per turn and has a maximum rise of 17 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 14 1 8", 4 1 4 turns: 14 5 8", 4 3 8 turns: 15 ", 4 1 2 turns: 15 1 2", 4 5 8 turns: 15 7 8", 4 3 4 turns: 16 1 4", 4 7 8 turns: 16 3 4", 5 turns: 17 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

1 3/4 turns: 6 5/8"

3 1/2 turns: 11 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 1 1/8 turns: 3 5/8"

5 1/2 turns: 18 7/8"

6 1/4 turns: 17 1/4"

5 turns: 17 1/8"

4 turns: 12 7/8"

This helix rises 2 3/4" per turn and has a maximum rise of 22 1/8"

4 7/8 turns: 13 1/2"

8 3/8 turns: 23 "

2 3/8 turns: 9 1/8"

7 1/4 turns: 18 3/4"